RFR: 8342612: Increase memory usage of compiler/c2/TestScalarReplacementMaxLiveNodes.java

[SendaoYan]

Hi all,
The test `test/hotspot/jtreg/compiler/c2/TestScalarReplacementMaxLiveNodes.java` fails on linux-x64/macos-x64/macos-aarch64/windows-x64. To make less CI noisy, we can simply increase the max memory usage before the failure root cause been fixed.
The change has been verified locally. Test-fix only, no risk.

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Commit messages:
 - 8342612: Increase memory usage of compiler/c2/TestScalarReplacementMaxLiveNodes.java

Changes: https://git.openjdk.org/jdk/pull/21586/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21586&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8342612
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/21586.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21586/head:pull/21586

PR: https://git.openjdk.org/jdk/pull/21586